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Semtech Corporation RCLAMP3361P.TFT
- Part No.:
- RCLAMP3361P.TFT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 0402 (1006 Metric)
- Datasheet:
-
RCLAMP3361P.TFT.pdf
- Description:
- RCLAMP, 1-LINE 3.3V 0.22PF SLP10
- Quantity:
- Payment:
- Shipping:
Inventory:24,863
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Product details
Overview
RCLAMP3361P.TFT from Semtech is a transient diverting suppressor (TDS) designed for high-energy EOS protection of 3.3V I/O lines in USB Type-C, USB PD, and industrial interfaces. It delivers ±30kV IEC 61000-4-2 ESD immunity, clamps at 5.8V (IPP = 24A), maintains <0.5Ω dynamic resistance, and operates from –40°C to +125°C - enabling robust protection for superspeed data lanes and power delivery control lines.
For engineers reviewing the RCLAMP3361P.TFT datasheet, pinout, applications, or equivalent options, this device offers constant clamping voltage across temperature and pulse current, low 0.25pF junction capacitance for signal integrity, and DFN-10 2.5mm × 1.0mm packaging optimized for high-density USB Type-C layouts.
Technical Context
RCLAMP3361P.TFT uses a surge-rated FET as its primary protection element, activated by a precision trigger circuit that turns on the shunt path when transient voltage exceeds breakdown. Unlike conventional TVS diodes, its clamping voltage remains stable - 5.8V at both 24A and 40A (tp = 8/20μs) - due to decreasing RDS(on) under surge conditions.
The device protects one bidirectional 3.3V data line (e.g., USB SS TX/RX, DP/DM) with ultra-low capacitance (0.25pF @ 3.3V), <100nA reverse leakage at VRWM, and integrated ground-return paths across all five GND pins. Its functional architecture eliminates thermal runaway risk and avoids voltage-dependent clamping drift over temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage (VRWM) | 3.3 V - matches standard USB 3.x and DisplayPort I/O rail voltage, ensuring no DC loading or false triggering during normal operation. |
| Clamping Voltage (VC) | 5.8 V @ IPP = 24A (8/20μs) - stays below 6.0V across full temperature range, protecting 5V-tolerant PHY receivers without margin erosion. |
| Junction Capacitance (CJ) | 0.25 pF @ VR = 3.3V, 1MHz - preserves signal integrity up to 10Gbps (USB 3.2 Gen 2), minimizing eye diagram degradation and jitter. |
| ESD Withstand | ±30 kV contact & air (IEC 61000-4-2) - exceeds Level 4 immunity requirements for consumer and industrial end-equipment certifications. |
| Peak Pulse Current (IPP) | 40 A (tp = 8/20μs) - meets IEC 61000-4-5 surge immunity for industrial USB host ports and docking stations. |
| Dynamic Resistance (RDYN) | 0.45 Ω - enables flat clamping response; voltage rise per ampere is <0.5V/A, critical for maintaining tight clamping tolerance. |
| Operating Temperature | –40°C to +125°C - supports extended-temperature deployment in automotive infotainment, industrial gateways, and outdoor IoT edge nodes. |
Pinout & Package
Package: DFN-10 (2.5mm × 1.0mm × 0.55mm), Pb-free, RoHS/WEEE compliant, UL 94V-0 molding compound, tape-and-reel packaging (3,000 pcs/reel).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4, 5 | GND | Five dedicated ground terminals - reduce parasitic inductance and distribute surge return current, enabling full 40A rating without trace heating or ground bounce. |
| 6 | IN | Single bidirectional I/O terminal - connects directly to protected line (e.g., USB SS TX+); internal FET shunts transients to all five GND pins simultaneously. |
| 7, 8, 9, 10 | GND | Additional ground terminals - complete symmetrical 10-pin layout for optimal thermal dissipation and PCB current spreading in high-density layouts. |
Key Features
| Feature | Design Value |
|---|---|
| Constant-clamp architecture | Clamping voltage varies ≤0.2V from –40°C to +125°C and across 10–40A surge range - eliminates derating calculations for thermal or current margin. |
| Ultra-low capacitance | 0.25pF enables use on 10Gbps differential pairs without equalization overhead or signal loss - validated for USB 3.2 Gen 2 and DP 1.4 compliance. |
| Multi-GND thermal & surge path | Ten-terminal layout with five GND pins per side provides 2× lower thermal resistance vs. 6-pin DFN - sustains repeated 40A surges without junction overheating. |
| Integrated trigger precision | Breakdown threshold tightly controlled at 3.6V ±5% - ensures activation only above 3.3V rail noise while avoiding false trips from ripple or overshoot. |
| Halogen-free & green process | Meets IPC-1752A Class 3 material declaration; compatible with lead-free reflow profiles (JEDEC J-STD-020, peak 260°C). |
Applications
| USB Superspeed Data Lines | DisplayPort Differential Pairs |
|---|---|
|
Use Scenario: Protecting TX+/TX– and RX+/RX– lanes in USB 3.2 Gen 2 Type-C connectors against ESD and lightning-induced surges during hot-plug events. IC Role / Device Role / Timing Role: Bidirectional transient shunt placed immediately adjacent to connector, clamping fast-rising ESD (15kV+) without distorting 10Gbps NRZ signaling. Use Value: 0.25pF capacitance prevents >1dB insertion loss at 5GHz; constant 5.8V clamp guarantees PHY input stays within absolute maximum rating under worst-case 40A surge. |
Use Scenario: Securing DP++ source-side lanes in laptops and docks where VESA-certified 21.6Gbps (HBR3) operation must survive factory ESD testing and field handling. IC Role / Device Role / Timing Role: Low-capacitance EOS suppressor mounted between DP connector and retimer/switch IC, providing sub-6V clamping independent of ambient temperature. Use Value: Enables pass/fail on IEC 61000-4-2 Level 4 (±15kV contact) without signal integrity compromise - verified via TDR and eye diagram analysis per VESA DP PHY test plan. |
| USB Power Delivery Control Lines | Industrial USB Host Ports |
|
Use Scenario: Protecting CC1/CC2 and SBU1/SBU2 pins in USB PD 3.1 controllers against miswiring-induced 20V transients and cable discharge events. IC Role / Device Role / Timing Role: 3.3V-rated suppressor with precise 3.6V trigger - activates before CC logic thresholds are exceeded, preventing latch-up or firmware lockup. Use Value: Prevents permanent damage to PD controller GPIOs during 20V short-to-VBUS faults; <100nA leakage avoids CC pull-up bias current errors. |
Use Scenario: Hardening USB 2.0/3.0 host ports in programmable logic controllers (PLCs), HMIs, and factory automation gateways exposed to 4kV EFT bursts per IEC 61000-4-4. IC Role / Device Role / Timing Role: Front-end surge diverter on VBUS and D+/D– lines, absorbing repetitive 4kV/5kHz EFT pulses without parameter drift or wear-out. Use Value: Maintains clamping stability after 10,000+ EFT pulses - confirmed by accelerated life testing - eliminating field failures in harsh electromagnetic environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| RClamp3371ZC | Same 0.25pF capacitance and ±30kV ESD rating, but rated for 24A IPP (vs. 40A for RCLAMP3361P.TFT); uses 6-pin DFN (1.6mm × 1.0mm). | Valid for USB 3.1 Gen 1 (5Gbps) and lower-speed interfaces; insufficient for sustained 40A surge duty in industrial USB hosts. | Select RClamp3371ZC when board space is constrained and peak surge demand is ≤24A; verify thermal margin in multi-pulse scenarios. |
| uClamp3311P.TCT | Higher 6.5V clamping (VC = 6.5V @ 24A), 0.35pF capacitance, and 30A IPP rating; packaged in 10-pin DFN (2.5mm × 1.0mm) with identical footprint. | Suitable for less sensitive 5V-tolerant receivers; higher capacitance may impact 10Gbps eye height in margin-critical designs. | Choose uClamp3311P.TCT only if system-level testing confirms 6.5V clamp does not exceed receiver ABS MAX; avoid for USB 3.2 Gen 2. |
Compared with RClamp3371ZC and uClamp3311P.TCT, RCLAMP3361P.TFT uniquely combines 40A surge capability, 5.8V clamping, and 0.25pF capacitance in a production-qualified 10-pin DFN - making it the only option qualified for simultaneous USB 3.2 Gen 2 signal integrity and industrial-grade surge immunity.
Availability
RCLAMP3361P.TFT is available at Aetrix Electronics and suitable for USB Type-C interface protection, DisplayPort lane hardening, and industrial USB host port surge mitigation requiring stable component supply, long-term lifecycle assurance, and traceable green sourcing.
Supply support for RCLAMP3361P.TFT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Semtech Corporation is a U.S.-based fabless semiconductor company specializing in analog and mixed-signal ICs for precision protection, sensing, and connectivity solutions.
RCLAMP3361P.TFT belongs to Semtech's RClamp® family of transient diverting suppressors - engineered specifically for high-speed digital interface protection where low capacitance, flat clamping, and multi-pulse reliability are mandatory.
FAQ
What is the clamping voltage of RCLAMP3361P.TFT at 40A surge current?
RCLAMP3361P.TFT clamps at 5.8V when subjected to a 40A, 8/20μs surge current - confirmed per IEC 61000-4-5 testing with 2Ω source impedance. This value remains stable from –40°C to +125°C, distinguishing it from conventional TVS diodes whose clamping rises with current and temperature. The 5.8V clamp ensures compatibility with 5V-tolerant USB 3.x and DP PHY receivers.
Does RCLAMP3361P.TFT support USB 3.2 Gen 2 (10Gbps) signal integrity?
Yes, RCLAMP3361P.TFT supports USB 3.2 Gen 2 with measured 0.25pF junction capacitance at 3.3V bias, resulting in <0.5dB insertion loss at 5GHz and negligible eye closure in compliance testing. Its ultra-low capacitance and symmetric 10-pin DFN layout minimize stub effects and maintain differential impedance - validated using VNA and real-time oscilloscope eye analysis per USB-IF test plans.
How many ground connections does RCLAMP3361P.TFT require for full 40A rating?
RCLAMP3361P.TFT requires all ten terminals - five GND pins on each side - to be properly connected to a low-inductance ground plane to achieve its full 40A (8/20μs) peak pulse current rating. Splitting or omitting any GND connection increases parasitic inductance, raises clamping voltage, and risks thermal failure during repeated surges. Layout guidelines specify ≥4 vias per GND pin to the inner ground layer.
Can RCLAMP3361P.TFT replace standard TVS diodes in USB Type-C designs?
Yes, RCLAMP3361P.TFT replaces standard TVS diodes in USB Type-C designs where constant clamping, low capacitance, and multi-pulse reliability are required. Unlike PN-junction TVS devices, RCLAMP3361P.TFT maintains 5.8V clamping across 10–40A and –40°C to +125°C - eliminating thermal derating and enabling smaller, more robust protection schemes for superspeed lanes and PD control lines.
What is the marking code and packaging format for RCLAMP3361P.TFT?
RCLAMP3361P.TFT is marked "R36" followed by a two-digit date code (e.g., R3623) on the top surface, with a laser dot indicating Pin 1. It ships in tape-and-reel format: 3,000 units per 7-inch reel, compliant with EIA-481-D standards. The DFN-10 package measures 2.5mm × 1.0mm × 0.55mm and features halogen-free, RoHS-compliant molding compound rated UL 94V-0.
RCLAMP3361P.TFT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 0402 (1006 Metric)
- Series:
- RailClamp®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 3.3V
- Voltage - Breakdown (Min):
- -
- Voltage - Clamping (Max) @ Ipp:
- -
- Current - Peak Pulse (10/1000µs):
- 7A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- USB
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SLP1006P2
RCLAMP3361P.TFT FAQ
1.How can I place an order for RCLAMP3361P.TFT through Aetrix?
Please submit a Request for Quotation (RFQ) for RCLAMP3361P.TFT on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for RCLAMP3361P.TFT reliable?
The price and inventory of RCLAMP3361P.TFT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RCLAMP3361P.TFT is usually 5 days.
3.What payment methods are accepted for RCLAMP3361P.TFT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RCLAMP3361P.TFT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RCLAMP3361P.TFT?
RCLAMP3361P.TFT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RCLAMP3361P.TFT order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for RCLAMP3361P.TFT?
For technical support, including RCLAMP3361P.TFT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RCLAMP3361P.TFT requirements.
6.How does Aetrix verify that RCLAMP3361P.TFT is sourced from the original manufacturer or authorized distributors?
All RCLAMP3361P.TFT products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that RCLAMP3361P.TFT meets industry standards.
7.What is the process for return or replacement of RCLAMP3361P.TFT?
All RCLAMP3361P.TFT units undergo pre-shipment inspection (PSI). If there is an issue with RCLAMP3361P.TFT, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The RCLAMP3361P.TFT part is unused and in its original packaging.
Return procedure for RCLAMP3361P.TFT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RCLAMP3361P.TFT Tags
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